Dynamics of beam-type periodic structures

WebOct 22, 2024 · In the current work, we elaborate upon a beam mechanics-based discrete dynamics approach for the computation of the dispersion characteristics of periodic … WebDec 22, 2016 · The frequency response function is a quantitative measure used in structural analysis and engineering design; hence, it is targeted for accuracy. For a large structure, a high number of substructures, also called cells, must be considered, which will lead to a high amount of computational time. In this paper, the recursive method, a finite …

Wave propagations of a periodic sandwich beam by FEM and …

WebMar 29, 2024 · Two widely used beam theories, i.e. Euler–Bernoulli and Timoshenko, are non-dimensionalized in order to obtain the dimensionless periodicity parameters. In this paper, the location and width of... WebJan 17, 2014 · We often want to model an electromagnetic wave (light, microwaves) incident upon periodic structures, such as diffraction gratings, metamaterials, or frequency selective surfaces. This can be … popular now on bing londra https://fjbielefeld.com

Phys. Rev. Lett. 100, 103904 (2008) - Beam Dynamics in …

WebAug 19, 2024 · This paper presents two numerical models (Model L and Model N) and its application in the analysis of dynamic stability of beam-type structures. Both numerical … WebNov 15, 2024 · Onedimensional structure comprising of the spring-mass system [3,4], periodic rod [5], and periodic beam [6] is frequently studied by the researchers owing to its simplicity and its vast... WebMay 17, 2012 · Extended continuum model for dynamic analysis of beam-like truss structures with geometrical nonlinearity Aerospace Science and Technology, Vol. 103 … popular now on bing meteo

Dynamics of Structures - Periodic Structures: 02 Periodic

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Dynamics of beam-type periodic structures

(PDF) Dynamics of Quasiperiodic Beams - ResearchGate

WebMar 13, 2008 · The possibility of parity-time ($\mathcal{P}\mathcal{T}$) symmetric periodic potentials is investigated within the context of optics. Beam dynamics in this new type … WebJul 11, 2024 · The coronary stent deployment and subsequent service process is a complex geometric/physical nonlinear and fluid–structure coupling system. Analyzing the distribution of stress–strain on the stent is of great significance in studying the deformation and failure behavior. A coupled system dynamics model comprising stenotic coronary artery …

Dynamics of beam-type periodic structures

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WebMar 3, 2024 · In this paper a beam structure based on Octagonal quasi-periodic tiling is studied. We provide a complete description of its vibrational response, including the … WebMar 4, 2024 · For the modelling of thermomechanical problems of functionally graded structures with microheterogeneity, various averaging methods were adopted, which were also applied for periodic structures, cf. [1,2].Many of these approaches lead to averaged models with so-called averaged (effective) properties of the structure (here: of the …

http://hs.link.springer.com.dr2am.wust.edu.cn/article/10.1007/s11071-023-08286-0?__dp=https WebMay 22, 2012 · Multibody System Dynamics, Vol. 14, No. 3-4 Direct application of the transfer matrix method to solve nonlinear autonomous boundary value problems with multiple branches Computers & Structures, Vol. 49, No. 3

WebReferences listed in 'direct technique for the homogenization of periodic beam-like structures by transfer matrix eigen-analysis'. 0 ... "Thermal buckling and post-buckling behaviour of continuous welded rail track" in Vehicle System Dynamics, v. 54 (2016), p. 1785 ... (1989), "Dynamics of complex truss-type space structures" in AIAA Journal, v ... WebDynamics of Beam-Type Periodic Structures. An analytical technique is developed for the determination of the frequency response matrix of a one-dimensional periodic structure. The detailed analysis is carried out for a periodic Bernoulli-Euler beam on many elastic …

WebSep 1, 1970 · The free vibration of beams and plates over supports at regular intervals has been analysed using the knowledge of natural flexural waves and the associated propagation constants. It has been shown that the conditions at the extreme ends of a finite, periodic structure, permit only certain discrete values of the propagation constant.

WebDynamics of Structures - Periodic Structures: 02 Periodic Analysis 02 - YouTube What are periodic structures?Why are we interested in them?How to analyse a periodic... popular now on bing maps news news news newsWebApr 19, 2024 · Another type of periodic structure discussed in the literature includes orthogonal spiral (OS) structures—also referred to as spiral cantilevers. An OS energy harvester was proposed by Bai et al (2014) where magnets were used to induce nonlinearities which were shown to enhance the energy harvesting performance . popular now on bing micropopular now on bing m m s d f g h j k lWebDec 16, 2024 · The dynamics of stiffened quasiperiodic beams is investigated through 3-D finite element simulations, which leads to the observation of the fractal nature of the bulk spectrum and the... popular now on bingmnbvcxzlWebIn this paper, a MEMS-based resonator with a novel effective stiffness tunability is presented. The performance of the proposed resonator is based on the transversal vibration of the two porous cantilever microbeams with a rectangular microplate at the end of the structure. The microplate as a free-of-charge slider electrode is in contact with two other … popular now on bing msnWebDownload scientific diagram A fragment of a periodic beam from publication: Nonlinear vibrations of periodic beams Geometrically nonlinear vibrations of beams with properties periodically ... popular now on bingmmnbvcxWebMay 17, 2012 · Reduced-order computational model in nonlinear structural dynamics for structures having numerous local elastic modes in the low-frequency range. Application to fuel assemblies ... Dynamic continuum modeling of truss-type space structures using spectral elements. ... Dynamics of bi-periodic structures. Journal of Sound and … popular now on bing movie